EMA 611, Lab 3--Servohydraulic testing machines
Advanced Mechanical Testing of Materials
Department of Engineering Physics, Engineering Mechanics Program, University of Wisconsin-Madison

    Lab 3--Servohydraulic testing machines
Principles of feedback control. Load control, displacement control, strain control. Rapid transients; step functions. Ramp functions. Oscillatory tests. Interpretation of phase angles. Time dependence of materials in creep and relaxation. Failure by yield, fracture, crushing; buckling of tubes. Capability to test in compression, tension, and bending.

Resources.
Lab 3 guide pdf
Servo-hydraulic notes pdf
Analog control frame pdf
Digital control frame pdf
Table of viscoelastic properties of selected materials
Servohydraulic Testing Lab